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发明名称
Compresseur rotatif symétrique à anneau liquide pour gaz nocifs ou corrosifs
摘要
申请公布号
FR1289052(A)
申请公布日期
1962.03.30
申请号
FR19610859999
申请日期
1961.04.26
申请人
发明人
RAVERA VINCENZO
分类号
F04C19/00
主分类号
F04C19/00
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代理人
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